water of the murtle river as it tumbles over the cusp of dawson falls in wells gray provincial park

water murtle river as it tumbles cusp dawson falls wells gray provincial park bc canada viewed north side british columbia cariboo mountains clearwater danger erosion power canyon destination flow flowing forest free fall geological geology glacial gorge landscape mist plateau nature reserve powerful currents rock scenic sky snow melt spectacular spring runoff strong current summer tourism travel trees waterfall whirlpool whitewater wide wilderness